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Topical diphenylcyclopropenone plus topical 0.5% anthralin versus topical diphenylcyclopropenone alone for treatment of chronic extensive alopecia areata: A spilt-scalp double-blind controlled study

Topical diphenylcyclopropenone plus topical 0.5% anthralin versus topical diphenylcyclopropenone alone for treatment of chronic extensive alopecia areata: A spilt-scalp double-blind controlled study

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20210521008
Enrollment
10
Registered
2021-05-21
Start date
2012-10-15
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Patients with chronic severe alopecia areata, alopecia totalis, or alopecia universalis Diphenylcyclopropenone, DCP, anthralin, chronic extensive alopecia areata, alopecia universalis

Interventions

In each patient, one side of the scalp was treated with combined DCP solution and 0.5% anthralin for 6 months. Clinical response was assessed at baseline and then monthly until the end of the 6-month
Experimental Drug,Experimental Drug
Topical diphenylcyclopropenone plus topical 0.5% anthralin ,topical diphenylcyclopropenone alone

Sponsors

Siriraj research fund , Faculty of Medicine Siriraj Hospital , Mahidol University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. patients aged equal to or more than 18 years 2. patients with chronic severe alopecia areata, alopecia totalis, or alopecia universalis

Exclusion criteria

Exclusion criteria: Patients who had other active skin disease at the scalp, who received systemic immunosuppressive or corticosteroid treatment within the past 6 months, and/or who had history of resistance to DCP

Design outcomes

Primary

MeasureTime frame
the efficacy of combination therapy of topical DCP and topical 0.5% anthralin versus topical DCP alone for the treatment of chronic extensive AA. Baseline, 1, 2, 3, 4, 5, 6 months Severity of Alopecia Tool (SALT) scores

Secondary

MeasureTime frame
Safety Baseline, 1, 2, 3, 4, 5, 6 months Adverse events

Countries

Thailand

Contacts

Public ContactDaranporn Triwongwaranat

Faculty of Medicine Siriraj Hospital, Mahidol University

d.triwongwaranat@gmail.com66899445615

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026